Projection Hex Weld Nuts - 18-8 Stainless Steel
What are projection hex weld nuts? Projection hex weld nuts are hex nuts with small raised projections and a pilot that are resistance-welded to a metal part, forming a permanent threaded connection. Made from 18-8 stainless, they resist corrosion and provide a strong, flush machine thread welded directly to the workpiece.
Size:
How do projection weld nuts attach?
Projection weld nuts have small bumps, or projections, on the base that concentrate the welding current so they melt and fuse the nut to the sheet under pressure, and a pilot boss centers the nut in a hole for accurate placement. Ours come with three or six projections and short or long pilots to suit different sheet thicknesses and strength needs. More projections give a stronger weld. In 18-8 stainless, the nut resists corrosion in the finished assembly, which suits appliances, enclosures, and equipment exposed to moisture. The nut is welded, not threaded in, so it becomes a permanent part of the piece.
Why choose 18-8 stainless projection hex weld nuts
- Permanent thread: welded directly to the part for a captive nut.
- Corrosion resistant: 18-8 stainless holds up in wet and outdoor use.
- Accurate placement: the pilot centers the nut in the hole.
- Weld options: three or six projections, short or long pilot.
Common applications for projection hex weld nuts
- Appliances and enclosures
- Automotive and equipment assembly
- Sheet metal needing a permanent thread
- Corrosion-exposed welded assemblies
For a plain steel option, see plain steel projection hex weld nuts, and browse every style on the main weld nuts category.
18-8 Stainless Projection Hex Weld Nuts FAQ
How do projection weld nuts attach?
The small projections on the base concentrate welding current so they melt and fuse the nut to the sheet under pressure, forming a permanent joint. The pilot centers the nut in a hole.
What is the difference between three and six projections?
More projections spread the weld over more points for a stronger attachment. Six-projection nuts suit higher-strength or thicker-sheet joints, three-projection for lighter work.
What does the pilot do?
The pilot boss fits into a hole in the sheet to locate and center the nut accurately before welding.